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authorKim Phillips <kim.phillips@freescale.com>2008-10-12 20:19:35 +0800
committerHerbert Xu <herbert@gondor.apana.org.au>2008-12-25 11:01:09 +1100
commit40405f10b853ef404b395c6febca71b0de185490 (patch)
tree384810d21a97211fc1e4f05a3b08682fc15d9e8e /drivers/crypto/talitos.c
parenta44b56cc69a5b017f396ed1daeaef6a63e086656 (diff)
downloadlinux-linaro-stable-40405f10b853ef404b395c6febca71b0de185490.tar.gz
crypto: talitos - Pass correct interrupt status to error handler
Since we ack early, the re-read interrupt status in talitos_error may be already updated with a new value. Pass the error ISR value directly in order to report and handle the error based on the correct error status. Also remove unused error tasklet. Signed-off-by: Kim Phillips <kim.phillips@freescale.com> Signed-off-by: Lee Nipper <lee.nipper@freescale.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/talitos.c')
-rw-r--r--drivers/crypto/talitos.c12
1 files changed, 3 insertions, 9 deletions
diff --git a/drivers/crypto/talitos.c b/drivers/crypto/talitos.c
index 24607669a52b..c429f684c79d 100644
--- a/drivers/crypto/talitos.c
+++ b/drivers/crypto/talitos.c
@@ -127,7 +127,6 @@ struct talitos_private {
/* request callback tasklet */
struct tasklet_struct done_task;
- struct tasklet_struct error_task;
/* list of registered algorithms */
struct list_head alg_list;
@@ -469,16 +468,13 @@ static void report_eu_error(struct device *dev, int ch, struct talitos_desc *des
/*
* recover from error interrupts
*/
-static void talitos_error(unsigned long data)
+static void talitos_error(unsigned long data, u32 isr, u32 isr_lo)
{
struct device *dev = (struct device *)data;
struct talitos_private *priv = dev_get_drvdata(dev);
unsigned int timeout = TALITOS_TIMEOUT;
int ch, error, reset_dev = 0, reset_ch = 0;
- u32 isr, isr_lo, v, v_lo;
-
- isr = in_be32(priv->reg + TALITOS_ISR);
- isr_lo = in_be32(priv->reg + TALITOS_ISR_LO);
+ u32 v, v_lo;
for (ch = 0; ch < priv->num_channels; ch++) {
/* skip channels without errors */
@@ -566,7 +562,7 @@ static irqreturn_t talitos_interrupt(int irq, void *data)
out_be32(priv->reg + TALITOS_ICR_LO, isr_lo);
if (unlikely((isr & ~TALITOS_ISR_CHDONE) || isr_lo))
- talitos_error((unsigned long)data);
+ talitos_error((unsigned long)data, isr, isr_lo);
else
if (likely(isr & TALITOS_ISR_CHDONE))
tasklet_schedule(&priv->done_task);
@@ -1391,7 +1387,6 @@ static int talitos_remove(struct of_device *ofdev)
}
tasklet_kill(&priv->done_task);
- tasklet_kill(&priv->error_task);
iounmap(priv->reg);
@@ -1454,7 +1449,6 @@ static int talitos_probe(struct of_device *ofdev,
INIT_LIST_HEAD(&priv->alg_list);
tasklet_init(&priv->done_task, talitos_done, (unsigned long)dev);
- tasklet_init(&priv->error_task, talitos_error, (unsigned long)dev);
priv->irq = irq_of_parse_and_map(np, 0);